Table 4 Neuroimaging findings after the traumatic brain injury and after the onset of post-traumatic epilepsy

At the time of trauma

 Haemorrhagic contusion

14

21.5

 Diffuse axonal injury

10

15.4

 Sub-dural haematoma

10

15.4

 Depressed skull fracture

4

6.2

 Cerebral oedema

4

6.2

 Penetrating cranioencephalic injury

2

3.1

 Sub-arachnoid haemorrhage

1

1.5

 Normal

9

13.8

After epilepsy onset

 Gliosis

4

6.2

 Sequelae of cerebral infarction

3

4.6

 Cortical atrophy

1

1.5

 Porencephalic cyst

1

1.5

 Non-specific hyperintensities

1

1.5

 Normal

4

6.2

Site of lesions

 Frontal

25

38.5

 Parietal

12

18.5

 Temporal

7

10.8

 Occipital

2

3.1